direct-motor drive
71Electric vehicle conversion — An electric vehicle conversion is the modification of a conventional internal combustion engine vehicle (ICEV) to electric propulsion, creating an all electric or plug in hybrid electric vehicle. Contents 1 Elements of a conversion 1.1 Solar… …
72photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
73Doubly fed electric machine — Doubly fed electric machines are electric motors or electric generators that have windings on both stationary and rotating parts, where both windings transfer significant power between shaft and electrical system. Doubly fed machines are useful… …
74Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… …
75Timing belt — For other belts, see Belt (disambiguation). Timing belt Timi …
76Freud, Sigmund — born May 6, 1856, Freiberg, Moravia, Austrian Empire died Sept. 23, 1939, London, Eng. Austrian neuropsychologist, founder of psychoanalysis, and one of the major intellectual figures of the 20th century. Trained in Vienna as a neurologist, Freud …
77Tromm — is the trade name for washers and dryers manufactured by LG Electronics. They are designed and often sold in pairs and have many functions, such as child lock, delayed wash timers, and multiple spin speed selection. All LG Tromm washers are front …
78Pentax cameras — This article discusses the cameras – mainly 35 mm SLRs – manufactured by Hoya Corporation s Pentax division (ペンタックス, Pentakkusu?) and its predecessors, Pentax Corporation (ペンタックス株式会社, Pentakkusu Kabushiki gaisha …
79Fan (mechanical) — A mechanical fan is an electrically powered device used to produce an airflow for the purpose of creature comfort (particularly in the heat), ventilation, exhaust, or any other gaseous transport.Mechanically, a fan can be any revolving vane or… …
80Single-lens reflex camera — The single lens reflex (SLR) camera uses an automatic moving mirror system which permits the photographer to see exactly what will be captured by the film or digital imaging system, as opposed to non SLR cameras where the view through the… …
